Noun
execution by fire
Source: WordNetThere will come a time when the world will look back to modern vivisection in the name of science as they now do to burning at the stake in the name of religion. Henry Jacob Bigelow
Some scholars claim that Calvin and other ministers asked that he be beheaded instead of burnt, knowing that burning at the stake was the only legal recourse. Source: Internet
The following day he was sentenced to burning at the stake, the same sentence as in Vienne. Source: Internet